CVE-2019-1020019: invenio-previewer before 1.0.0a12 allows XSS.

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MEDIUM 6.1DOWNGRADE

CVE-2019-1020019 is a medium-severity flaw (CVSS 6.1) affecting invenio-previewer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

invenio-previewer before 1.0.0a12 allows XSS.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-07-29
Last modified	2026-06-17

Publisher (CNA): DWF · Vendor: inveniosoftware

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-07-29 14:15 UTCPublished CVE record published
2026-06-17 02:10 UTCUpdated Record last modified

inveniosoftware invenio-previewer DOWNGRADE

Affected: 0.1.0 · 1.0.0 a1 · 1.0.0 a10 · 1.0.0 a11 · 1.0.0 a12 · 1.0.0 a2 · 1.0.0 a3 · 1.0.0 a4

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.0

1. Check installed version

apt-cache policy invenio-previewer || rpm -q invenio-previewer || invenio-previewer --version

2. No fixed release: DOWNGRADE to a release before 0.1.0 (Debian / Ubuntu)

apt-cache madison invenio-previewer sudo apt install invenio-previewer=<VERSION_BEFORE_0.1.0> sudo apt-mark hold invenio-previewer

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list invenio-previewer sudo dnf downgrade invenio-previewer-<VERSION_BEFORE_0.1.0> sudo dnf versionlock add invenio-previewer

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-1020019?

invenio-previewer: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-1020019 being exploited?

CVE-2019-1020019 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-1020019 affect?

CVE-2019-1020019 affects invenio-previewer. Severity is medium (CVSS 6.1). invenio-previewer before 1.0.0a12 allows XSS.

How urgent is CVE-2019-1020019?

Priority 41/100. Public exploit reference

References

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